[00:11.25]impetuous 冲动的 impulsive
[00:15.66]impulse 冲动 刺激 （pulse脉搏 跳动）
[00:18.71]impulsive 易冲动的
[00:22.68]On seeing the poor little girl, he has an  impulse to adopt her.
[00:28.40]urge 冲动
[00:31.07]The girl suppressed an urge to laugh.
[00:34.99]incentive 刺激 动机 motivation
[00:39.07]People doupt about her incentive to marry  that rich old fellow.
[00:44.77]motivation 动机 motive, incentive
[00:47.33]Unfortunately his salary is his only  motibation for working.
[00:53.88]objective 目标 aim, goal (object客观+ive)